One project Toronto’s public transit agency is doing to accommodate growth required building a new sewage tunnel. When the construction method proved agonizingly slow, GO Toronto managers specified one they’d never used to make up for lost time.
water held on surfaces of a material by electrochemical forces and having physical properties substantially different from those of absorbed water 1 or chemically combined water at the same temperature and pressure. (See also adsorption.)
(1) development of a higher concentration of a substance at the surface of either a liquid or solid, such as cement, cement paste, or aggregates, than exists in the bulk of the medium; (2) the process by which a substance is adsorbed. (See also adsorbed
Vancouver-based Kryton International Inc., which specializes in crystalline concrete waterproofing, announces its acquisition of Calgary-based Cementec Industries Inc., a manufacturer of concrete additive solutions for the construction, oil, and gas industries. This acquisition demonstrates Kryton’s commitment to innovation while complementing its existing lineup of Smart Concrete® waterproofing solutions. Hard-Gem®, the integral concrete hardening admixture … Read More
Kari Yuers had been nervous about her plans to hire six employees in Vancouver, but she is now feeling confident after the Liberals retained power in British Columbia’s general election. The president of Kryton International Inc., who had been worried that the New Democratic Party would end 12 years of Liberal rule, is pleased that … Read More
a general term for a material that may be used either as an addition to cement or an admixture in concrete, for example, an air-entraining agent.
a gathering into a ball or mass.
granular material, such as sand, gravel, crushed stone, crushed hydraulic- cement concrete, or iron blast-furnace slag, used with a cementing medium to produce either concrete or mortar. (See also heavyweight aggregate and lightweight aggregate.)
the process of intermixing two or more aggregates to produce a combination with improved grading or other properties.
discoloration of a concrete surface consisting of darkened areas over coarse aggregate particles immediately below the concrete surface.
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